BABALOLA, Ayoola Abiola2026-09-182026-09-182025-11-20https://ir.funaab.edu.ng/handle/123456789/685A Thesis submitted to the Department of Agricultural and Bioresources Engineering, College of Engineering, Federal University Of Agriculture, Abeokuta in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Farm Power and Machinery Engineering.enDEVELOPMENT OF AN INSTRUMENTED RIG SYSTEM FOR MEASURING TRACTOR TILLAGE PERFORMANCE IN SOUTHWEST NIGERIAThesis